package cn.wolfcode.car.business.service.impl;


import cn.wolfcode.car.base.domain.User;
import cn.wolfcode.car.base.mapper.UserMapper;
import cn.wolfcode.car.business.domain.BpmnInfo;
import cn.wolfcode.car.business.domain.CarPackageAudit;
import cn.wolfcode.car.business.domain.ServiceItem;
import cn.wolfcode.car.business.mapper.BpmnInfoMapper;
import cn.wolfcode.car.business.mapper.CarPackageAuditMapper;
import cn.wolfcode.car.business.mapper.ServiceItemMapper;
import cn.wolfcode.car.business.query.CarPackageAuditQuery;
import cn.wolfcode.car.business.service.ICarPackageAuditService;
import cn.wolfcode.car.common.base.page.TablePageInfo;
import cn.wolfcode.car.common.exception.BusinessException;
import cn.wolfcode.car.common.util.Convert;
import cn.wolfcode.car.shiro.ShiroUtils;
import com.github.pagehelper.PageHelper;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.task.Task;
import org.activiti.image.impl.DefaultProcessDiagramGenerator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.InputStream;
import java.util.Collections;
import java.util.Date;
import java.util.List;


@Service
public class CarPackageAuditServiceImpl implements ICarPackageAuditService {
    @Autowired
    private CarPackageAuditMapper carPackageAuditMapper;
    @Autowired
    private ServiceItemMapper serviceItemMapper;
    @Autowired
    private UserMapper userMapper;
    @Autowired
    private BpmnInfoMapper bpmnInfoMapper;
    @Autowired
    private RepositoryService repositoryService;
    @Autowired
    private TaskService taskService;
    @Autowired
    private RuntimeService runtimeService;


    @Override
    public TablePageInfo<CarPackageAudit> query(CarPackageAuditQuery qo) {
        PageHelper.startPage(qo.getPageNum(), qo.getPageSize());
        TablePageInfo<CarPackageAudit> page = new TablePageInfo<>(carPackageAuditMapper.selectForList(qo));
        for (CarPackageAudit row : page.getRows()) {
            Long serviceItemId = row.getServiceItemId();
            ServiceItem serviceItem = serviceItemMapper.selectByPrimaryKey(serviceItemId);
            row.setServiceItem(serviceItem);

            Long auditorId = row.getAuditorId();
            User auditor = userMapper.selectByPrimaryKey(auditorId);
            row.setAuditor(auditor);
        }
        return page;
    }


    @Override
    public void save(CarPackageAudit carPackageAudit) {
        carPackageAuditMapper.insert(carPackageAudit);
    }

    @Override
    public CarPackageAudit get(Long id) {
        return carPackageAuditMapper.selectByPrimaryKey(id);
    }


    @Override
    public void update(CarPackageAudit carPackageAudit) {
        carPackageAuditMapper.updateByPrimaryKey(carPackageAudit);
    }

    @Override
    public void deleteBatch(String ids) {
        Long[] dictIds = Convert.toLongArray(ids);
        for (Long dictId : dictIds) {
            carPackageAuditMapper.deleteByPrimaryKey(dictId);
        }
    }

    @Override
    public List<CarPackageAudit> list() {
        return carPackageAuditMapper.selectAll();
    }

    @Override
    public InputStream getProcessImageById(Long id) {
        CarPackageAudit audit = carPackageAuditMapper.selectByPrimaryKey(id);
        BpmnInfo bpmnInfo = bpmnInfoMapper.selectByPrimaryKey(audit.getBpmninfoId());
        if(bpmnInfo == null){
            throw new BusinessException("流程定义已删除，无法查看！");
        }
        if(audit.getStatus() == CarPackageAudit.STATUS_IN_ROGRESS){

            Task task = taskService.createTaskQuery().processInstanceId(audit.getInstanceId()).singleResult();
            //当前激活的activiti数组，也就是高亮的数组
            List<String> activeActivityIds = runtimeService.getActiveActivityIds(task.getExecutionId());

            BpmnModel bpmnModel = repositoryService.getBpmnModel(bpmnInfo.getActProcessId());
            DefaultProcessDiagramGenerator generator = new DefaultProcessDiagramGenerator();
            InputStream inputStream = generator.generateDiagram(bpmnModel,
                    activeActivityIds,
                    Collections.emptyList(),
                    "黑体",
                    "黑体",
                    "黑体");
            return inputStream;

        }else{
            BpmnModel bpmnModel = repositoryService.getBpmnModel(bpmnInfo.getActProcessId());
            DefaultProcessDiagramGenerator generator = new DefaultProcessDiagramGenerator();
            InputStream inputStream = generator.generateDiagram(bpmnModel,
                    Collections.emptyList(),
                    Collections.emptyList(),
                    "黑体",
                    "黑体",
                    "黑体");
            return inputStream;
        }
    }

    @Override
    public void cancelApply(Long id) {
        CarPackageAudit audit = carPackageAuditMapper.selectByPrimaryKey(id);
        carPackageAuditMapper.changeAuditStatus(id, CarPackageAudit.STATUS_CANCEL);
        serviceItemMapper.changeAuditStatus(audit.getServiceItemId(), ServiceItem.AUDITSTATUS_INIT);
        runtimeService.deleteProcessInstance(audit.getInstanceId(), "用户撤销申请");
    }

    @Override
    public void audit(Long id, int auditStatus, String info) {
        CarPackageAudit audit = carPackageAuditMapper.selectByPrimaryKey(id);
        User user = ShiroUtils.getUser();
        String userName = user.getUserName();
        String commentStr = auditStatus == 2 ? "【" + userName + " 同意】" : "【" + userName + " 拒绝】";
        info += commentStr;
        audit.setInfo(audit.getInfo()+"<br>"+info);
        audit.setAuditTime(new Date());
        //activiti审批任务
        Task task = taskService.createTaskQuery()
                .processInstanceId(audit.getInstanceId())
                .singleResult();
        //添加审批意见
        taskService.addComment(task.getId(), audit.getInstanceId(), info);
        taskService.setVariable(task.getId(), "auditStatus", auditStatus);
        taskService.complete(task.getId());

        //获取下一个任务
        Task nextTask = taskService.createTaskQuery()
                .processInstanceId(audit.getInstanceId())
                .singleResult();
        if(auditStatus == 2){ //第一个任务审核通过的情况
            if(nextTask == null){
                audit.setStatus(CarPackageAudit.STATUS_PASS);
                serviceItemMapper.changeAuditStatus(audit.getServiceItemId(), ServiceItem.AUDITSTATUS_APPROVED);
            }else{
                String assignee = nextTask.getAssignee();
                Long auditorId = Long.valueOf(assignee);
                audit.setAuditorId(auditorId);
            }
        }else{//第一个任务审核拒绝的情况
            audit.setStatus(CarPackageAudit.STATUS_REJECT);
            serviceItemMapper.changeAuditStatus(audit.getServiceItemId(), ServiceItem.AUDITSTATUS_INIT);
        }

        carPackageAuditMapper.updateByPrimaryKey(audit);
    }


}














